GF27.19-P-5147GH Control Solenoid Valve Component Description

GF27.19-P-5147GH Control solenoid valve component description
- Transmission 722.9

Component Identification:

Location
The torque converter lockup clutch control solenoid valve (VGS) is mounted on the electric control unit (VGS).

Component Identification:

Task
The torque converter lockup clutch control solenoid valve (VGS) is actuated by the fully integrated transmission control (VGS) control unit and influences the position of the torque converter lockup clutch regulating valve. The clutch pressure in the torque converter lockup clutch depends on the regulating valve position and thus on the geometry of the torque converter lockup clutch regulating valve. The torque converter lockup clutch control solenoid valve (VGS) has a rising characteristic.

This means that the oil pressure applied in the torque converter lockup clutch regulating valve increases as the actuation current increases. In limp-home mode of the fully integrated transmission control (VGS) all the control solenoid valves are de-energized. The torque converter lockup clutch control solenoid valve (VGS) thus supplies no pressure.

Body
In the torque converter lockup clutch control solenoid valve (VGS) a proportional solenoid converts the electrical signals from the fully integrated transmission control (VGS) control unit (Y3/8n4). The float needle can also be moved into intermediate positions as a result.

Function
The torque converter lockup clutch control solenoid valve (VGS) assigns a proportional pressure to the current which is controlled by the fully integrated transmission control (VGS) control unit.